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    <title>Sentinel Toolbox Help - No-Data Overlay</title>
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        <td class="header">&nbsp;
            No-Data Overlay</td>

        <td class="header" align="right"><a href="../general/overview/SnapOverview.html"><img src="../images/snap_header.jpg" border=0></a></td>
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<h4><img src="images/icons/NoDataOverlay24.gif"> &nbsp;&nbsp;
    No-Data Overlay</h4>

<p>
    Toggles the overlay of the no-data mask within a band's <a href="ProductSceneView.html">Image View</a>.
    The overlay style properties can be modified using the no-data overlay page in the
    <a href="OptionsDialog.html">Options Dialog</a>.
</p>

<p>
    The no-data mask overlays displays all the band's pixels with undefined sample values.
    In order to control no-data pixels, use the band's <code><a href="NoDataValue.html">no-data value</a></code>
    and/or the band's <code>valid pixel expression</code> in the <a href="PropertyEditor.html">Property Editor</a> for the selected band.
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